Squaring a 2 digit number ending in 3
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Vedic Maths
Mathematics
Squaring a 2 digit number ending in 3
  • Example:

      1.If the number is 43, the last digit is___ _____9.
      2.6x4 =24(six times the first digit):________49.
      3.4x4 =16(square the first digit), 16 + 2 = 18 (add carry): 1 8 4 9.
      4.So 43 x 43 = 1849.

  • See the pattern?

      1.For 83 x 83, the last digit is____ ____9.
      2.6 x8 = 48 (six times the first digit):___ _____89.
      3.8 x8 = 64 (square the first digit), 64 + 4 = 68(add carry): 6 8 8 9.
      4.So 83 x 83 = 6889.


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